* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.lf {
  float: left;
}

.rt {
  float: right;
}

.clear:after {
  display: block;
  content: '';
  clear: both;
}

.table:before {
  display: table;
  content: '';
}

ol, ul {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: normal;
  color: #3e3e3e;
}

button, input, select, textarea {
  outline: none;
  background: none;
  border: none;
  font-family: PingFangSC-Regular, Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Arial, sans-serif;
  font-size: 14px;
}

html {
  font-family: PingFangSC-Regular, sans-serif;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  height: 100%;
}

body {
  font-size: 14px;
  color: #727272;
  height: 100%;
  font-family: PingFangSC-Regular, Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Arial, sans-serif;
}

.fixd-top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 998;
}

.fixd-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
}

.modal {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  z-index: 999;
  background-color: rgba(0, 0, 0, .5);
  display: none;
}

.modal > div {
  height: 100%;
  width: 100%;
}

.modal-content {
  background-color: #fff;
  border-radius: 4px;
  width: 90%;
  padding-bottom: 10px;
  position: relative;
}

.modal-body {
  max-height: 450px;
  overflow-y: auto;
}

.close {
  display: block;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: rgba(0, 0, 0, .5) url("../img/icon_close.png") center center no-repeat;
  position: absolute;
  right: -12px;
  top: -12px;
}

.block {
  display: block !important;
}

.hide {
  display: none !important;
}

/*****flex*****/
.flex {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}

.flex-center {
  justify-content: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  align-items: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
}

.flex-align {
  align-items: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
}

.flex-around {
  justify-content: space-around;
  -webkit-justify-content: space-around;
  -ms-flex-pack: justify;
}

.flex-between {
  -webkit-box-pack: justify;
  -webkit-justify-content: space-between;
  -ms-flex-pack: justify;
  justify-content: space-between;
  align-items: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
}

.flex-vertical {
  flex-direction: column;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
}

.align-self {
  align-self: center;
  -webkit-align-self: center;
  -moz-align-self: center;
  -o-align-self: center;
}

.flex-right {
  -webkit-box-pack: end;
  -ms-flex-pack: end;
  -webkit-justify-content: flex-end;
  justify-content: flex-end;
}

/***媒体查询***/
@media screen and (min-width: 320px) and (max-width: 374px) {

}

@media screen and(min-width: 410px) {
}